def sell_coin(coin_id, coin_amount, game_profile):
gameProfileCoin = GameProfileCoin.get_or_none(
GameProfileCoin.game_profile == game_profile.id,
GameProfileCoin.coin == coin_id)
if gameProfileCoin is None or gameProfileCoin.coin_amount < coin_amount:
raise BadRequest('Not enough of these coins to sell')
ticker = Ticker.select().where(Ticker.coin == coin_id).order_by(
Ticker.captured_at.desc())
if ticker.count() == 0:
raise BadRequest('Coin has no prices')
ticker = ticker.get()
new_cash = game_profile.cash + (ticker.price * coin_amount)
new_coin_amount = gameProfileCoin.coin_amount - coin_amount
GameProfileCoin.update(coin_amount=new_coin_amount).where(
GameProfileCoin.id == gameProfileCoin.id).execute()
GameProfile.update(cash=new_cash).where(
GameProfile.id == game_profile.id).execute()
return new_coin_amount
def buy_coin(coin_id, coin_amount, game_profile):
ticker = Ticker.select().where(Ticker.coin == coin_id).order_by(
Ticker.captured_at.desc())
if ticker.count() == 0:
raise BadRequest('Coin has no prices')
ticker = ticker.get()
new_cash = game_profile.cash - (ticker.price * coin_amount)
if new_cash < 0:
raise BadRequest('Not enough cash to buy this coin amount')
game_coin = GameCoin.get_or_none(GameCoin.game == game_profile.game,
GameCoin.coin == coin_id)
if game_coin is None:
raise BadRequest('Coin does not exist in this game')
gameProfileCoin = GameProfileCoin.get_or_none(
GameProfileCoin.game_profile == game_profile.id,
GameProfileCoin.coin == coin_id)
if gameProfileCoin is None:
GameProfileCoin.create(game_profile=game_profile.id,
coin=coin_id,
coin_amount=coin_amount)
rows = GameProfile.update(cash=new_cash).where(
GameProfile == game_profile).execute()
if rows == 0:
raise BadRequest('Money could not be removed from your account')
return coin_amount
else:
new_coin_amount = gameProfileCoin.coin_amount + coin_amount
rows = GameProfile.update(cash=new_cash).where(
GameProfile == game_profile).execute()
if rows == 0:
raise BadRequest('Money could not be removed from your account')
GameProfileCoin.update(coin_amount=new_coin_amount).where(
GameProfileCoin.id == gameProfileCoin.id).execute()
return new_coin_amount